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2 fixes:
- Fix suspend/resume regression on AMD Cezanne APUs in >= 5.16
- Fix Microsoft Surface 3 battery readings
The following is an automated git shortlog grouped by driver:
amd-pmc:
- Set QOS during suspend on CZN w/ timer wakeup
surface:
- surface3_power: Fix battery readings on batteries without a serial number
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Merge tag 'platform-drivers-x86-v5.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull more x86 platform driver fixes from Hans de Goede:
"Two more fixes:
- Fix suspend/resume regression on AMD Cezanne APUs in >= 5.16
- Fix Microsoft Surface 3 battery readings"
* tag 'platform-drivers-x86-v5.17-4' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
surface: surface3_power: Fix battery readings on batteries without a serial number
platform/x86: amd-pmc: Set QOS during suspend on CZN w/ timer wakeup
The battery on the 2nd hand Surface 3 which I recently bought appears to
not have a serial number programmed in. This results in any I2C reads from
the registers containing the serial number failing with an I2C NACK.
This was causing mshw0011_bix() to fail causing the battery readings to
not work at all.
Ignore EREMOTEIO (I2C NACK) errors when retrieving the serial number and
continue with an empty serial number to fix this.
Fixes: b1f81b496b ("platform/x86: surface3_power: MSHW0011 rev-eng implementation")
BugLink: https://github.com/linux-surface/linux-surface/issues/608
Reviewed-by: Benjamin Tissoires <benjamin.tissoires@redhat.com>
Reviewed-by: Maximilian Luz <luzmaximilian@gmail.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Link: https://lore.kernel.org/r/20220224101848.7219-1-hdegoede@redhat.com
commit 59348401eb ("platform/x86: amd-pmc: Add special handling for
timer based S0i3 wakeup") adds support for using another platform timer
in lieu of the RTC which doesn't work properly on some systems. This path
was validated and worked well before submission. During the 5.16-rc1 merge
window other patches were merged that caused this to stop working properly.
When this feature was used with 5.16-rc1 or later some OEM laptops with the
matching firmware requirements from that commit would shutdown instead of
program a timer based wakeup.
This was bisected to commit 8d89835b04 ("PM: suspend: Do not pause
cpuidle in the suspend-to-idle path"). This wasn't supposed to cause any
negative impacts and also tested well on both Intel and ARM platforms.
However this changed the semantics of when CPUs are allowed to be in the
deepest state. For the AMD systems in question it appears this causes a
firmware crash for timer based wakeup.
It's hypothesized to be caused by the `amd-pmc` driver sending `OS_HINT`
and all the CPUs going into a deep state while the timer is still being
programmed. It's likely a firmware bug, but to avoid it don't allow setting
CPUs into the deepest state while using CZN timer wakeup path.
If later it's discovered that this also occurs from "regular" suspends
without a timer as well or on other silicon, this may be later expanded to
run in the suspend path for more scenarios.
Cc: stable@vger.kernel.org # 5.16+
Suggested-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Link: https://lore.kernel.org/linux-acpi/BL1PR12MB51570F5BD05980A0DCA1F3F4E23A9@BL1PR12MB5157.namprd12.prod.outlook.com/T/#mee35f39c41a04b624700ab2621c795367f19c90e
Fixes: 8d89835b04 ("PM: suspend: Do not pause cpuidle in the suspend-to-idle path")
Fixes: 23f62d7ab2 ("PM: sleep: Pause cpuidle later and resume it earlier during system transitions")
Fixes: 59348401eb ("platform/x86: amd-pmc: Add special handling for timer based S0i3 wakeup"
Reviewed-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Signed-off-by: Mario Limonciello <mario.limonciello@amd.com>
Link: https://lore.kernel.org/r/20220223175237.6209-1-mario.limonciello@amd.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
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Merge tag 'selinux-pr-20220223' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux
Pull selinux fix from Paul Moore:
"A second small SELinux fix which addresses an incorrect
mutex_is_locked() check"
* tag 'selinux-pr-20220223' of git://git.kernel.org/pub/scm/linux/kernel/git/pcmoore/selinux:
selinux: fix misuse of mutex_is_locked()
Two patches which fix a few bugs in the unalignment handlers. The fldd
and fstd instructions weren't handled at all on 32-bit kernels, the stw
instruction didn't checked for fault errors and the fldw_l and ldw_m
were handled wrongly as integer vs. floating point instructions.
Both patches are tagged for stable series.
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Merge tag 'for-5.17/parisc-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux
Pull parisc unaligned handler fixes from Helge Deller:
"Two patches which fix a few bugs in the unalignment handlers.
The fldd and fstd instructions weren't handled at all on 32-bit
kernels, the stw instruction didn't check for fault errors and the
fldw_l and ldw_m were handled wrongly as integer vs floating point
instructions.
Both patches are tagged for stable series"
* tag 'for-5.17/parisc-4' of git://git.kernel.org/pub/scm/linux/kernel/git/deller/parisc-linux:
parisc/unaligned: Fix ldw() and stw() unalignment handlers
parisc/unaligned: Fix fldd and fstd unaligned handlers on 32-bit kernel
Fix two old bugs and one new bug in hwmon subsystem.
- In pmbus core, clear pmbus fault/warning status bits after read
to follow PMBus standard
- In hwmon core, handle failure to register sensor with thermal
zone correctly
- In ntc_thermal driver, use valid thermistor names for Samsung
thermistors
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Merge tag 'hwmon-for-v5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging
Pull hwmon fixes from Guenter Roeck:
"Fix two old bugs and one new bug in the hwmon subsystem:
- In pmbus core, clear pmbus fault/warning status bits after read to
follow PMBus standard
- In hwmon core, handle failure to register sensor with thermal zone
correctly
- In ntc_thermal driver, use valid thermistor names for Samsung
thermistors"
* tag 'hwmon-for-v5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/groeck/linux-staging:
hwmon: (pmbus) Clear pmbus fault/warning bits after read
hwmon: Handle failure to register sensor with thermal zone correctly
hwmon: (ntc_thermistor) Underscore Samsung thermistor
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Merge tag 'slab-for-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab
Pull slab fixes from Vlastimil Babka:
- Build fix (workaround) for clang.
- Fix a /proc/kcore based slabinfo script broken by struct slab changes
in 5.17-rc1.
* tag 'slab-for-5.17-rc6' of git://git.kernel.org/pub/scm/linux/kernel/git/vbabka/slab:
tools/cgroup/slabinfo: update to work with struct slab
slab: remove __alloc_size attribute from __kmalloc_track_caller
Fix 3 bugs:
a) emulate_stw() doesn't return the error code value, so faulting
instructions are not reported and aborted.
b) Tell emulate_ldw() to handle fldw_l as floating point instruction
c) Tell emulate_ldw() to handle ldw_m as integer instruction
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org
Usually the kernel provides fixup routines to emulate the fldd and fstd
floating-point instructions if they load or store 8-byte from/to a not
natuarally aligned memory location.
On a 32-bit kernel I noticed that those unaligned handlers didn't worked and
instead the application got a SEGV.
While checking the code I found two problems:
First, the OPCODE_FLDD_L and OPCODE_FSTD_L cases were ifdef'ed out by the
CONFIG_PA20 option, and as such those weren't built on a pure 32-bit kernel.
This is now fixed by moving the CONFIG_PA20 #ifdef to prevent the compilation
of OPCODE_LDD_L and OPCODE_FSTD_L only, and handling the fldd and fstd
instructions.
The second problem are two bugs in the 32-bit inline assembly code, where the
wrong registers where used. The calculation of the natural alignment used %2
(vall) instead of %3 (ior), and the first word was stored back to address %1
(valh) instead of %3 (ior).
Signed-off-by: Helge Deller <deller@gmx.de>
Cc: stable@vger.kernel.org
Pull cgroup fixes from Tejun Heo:
- Fix for a subtle bug in the recent release_agent permission check
update
- Fix for a long-standing race condition between cpuset and cpu hotplug
- Comment updates
* 'for-5.17-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/cgroup:
cpuset: Fix kernel-doc
cgroup-v1: Correct privileges check in release_agent writes
cgroup: clarify cgroup_css_set_fork()
cgroup/cpuset: Fix a race between cpuset_attach() and cpu hotplug
mutex_is_locked() tests whether the mutex is locked *by any task*, while
here we want to test if it is held *by the current task*. To avoid
false/missed WARNINGs, use lockdep_assert_is_held() and
lockdep_assert_is_not_held() instead, which do the right thing (though
they are a no-op if CONFIG_LOCKDEP=n).
Cc: stable@vger.kernel.org
Fixes: 2554a48f44 ("selinux: measure state and policy capabilities")
Signed-off-by: Ondrej Mosnacek <omosnace@redhat.com>
Signed-off-by: Paul Moore <paul@paul-moore.com>
Emails to Roger Quadros TI account bounce with:
550 Invalid recipient <rogerq@ti.com> (#5.1.1)
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Acked-by: Roger Quadros <rogerq@kernel.org>
Acked-By: Vinod Koul <vkoul@kernel.org>
Acked-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220221100701.48593-1-krzysztof.kozlowski@canonical.com
Emails to Yash Shah bounce with "The email account that you tried to
reach does not exist.", so drop him from all maintainer entries.
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Signed-off-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20220214082349.162973-1-krzysztof.kozlowski@canonical.com
Fix the following W=1 kernel warnings:
kernel/cgroup/cpuset.c:3718: warning: expecting prototype for
cpuset_memory_pressure_bump(). Prototype was for
__cpuset_memory_pressure_bump() instead.
kernel/cgroup/cpuset.c:3568: warning: expecting prototype for
cpuset_node_allowed(). Prototype was for __cpuset_node_allowed()
instead.
Reported-by: Abaci Robot <abaci@linux.alibaba.com>
Signed-off-by: Jiapeng Chong <jiapeng.chong@linux.alibaba.com>
Signed-off-by: Tejun Heo <tj@kernel.org>
Pull ITER_PIPE fix from Al Viro:
"Fix for old sloppiness in pipe_buffer reuse"
* 'fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
lib/iov_iter: initialize "flags" in new pipe_buffer
The idea is to check: a) the owning user_ns of cgroup_ns, b)
capabilities in init_user_ns.
The commit 24f6008564 ("cgroup-v1: Require capabilities to set
release_agent") got this wrong in the write handler of release_agent
since it checked user_ns of the opener (may be different from the owning
user_ns of cgroup_ns).
Secondly, to avoid possibly confused deputy, the capability of the
opener must be checked.
Fixes: 24f6008564 ("cgroup-v1: Require capabilities to set release_agent")
Cc: stable@vger.kernel.org
Link: https://lore.kernel.org/stable/20220216121142.GB30035@blackbody.suse.cz/
Signed-off-by: Michal Koutný <mkoutny@suse.com>
Reviewed-by: Masami Ichikawa(CIP) <masami.ichikawa@cybertrust.co.jp>
Signed-off-by: Tejun Heo <tj@kernel.org>
With recent fixes for the permission checking when moving a task into a cgroup
using a file descriptor to a cgroup's cgroup.procs file and calling write() it
seems a good idea to clarify CLONE_INTO_CGROUP permission checking with a
comment.
Cc: Tejun Heo <tj@kernel.org>
Cc: <cgroups@vger.kernel.org>
Signed-off-by: Christian Brauner <brauner@kernel.org>
Signed-off-by: Tejun Heo <tj@kernel.org>
Almost all fault/warning bits in pmbus status registers remain set even
after fault/warning condition are removed. As per pmbus specification
these faults must be cleared by user.
Modify hwmon behavior to clear fault/warning bit after fetching data if
fault/warning bit was set. This allows to get fresh data in next read.
Signed-off-by: Vikash Chandola <vikash.chandola@linux.intel.com>
Link: https://lore.kernel.org/r/20220222131253.2426834-1-vikash.chandola@linux.intel.com
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
If an attempt is made to a sensor with a thermal zone and it fails,
the call to devm_thermal_zone_of_sensor_register() may return -ENODEV.
This may result in crashes similar to the following.
Unable to handle kernel NULL pointer dereference at virtual address 00000000000003cd
...
Internal error: Oops: 96000021 [#1] PREEMPT SMP
...
pstate: 60400009 (nZCv daif +PAN -UAO -TCO -DIT -SSBS BTYPE=--)
pc : mutex_lock+0x18/0x60
lr : thermal_zone_device_update+0x40/0x2e0
sp : ffff800014c4fc60
x29: ffff800014c4fc60 x28: ffff365ee3f6e000 x27: ffffdde218426790
x26: ffff365ee3f6e000 x25: 0000000000000000 x24: ffff365ee3f6e000
x23: ffffdde218426870 x22: ffff365ee3f6e000 x21: 00000000000003cd
x20: ffff365ee8bf3308 x19: ffffffffffffffed x18: 0000000000000000
x17: ffffdde21842689c x16: ffffdde1cb7a0b7c x15: 0000000000000040
x14: ffffdde21a4889a0 x13: 0000000000000228 x12: 0000000000000000
x11: 0000000000000000 x10: 0000000000000000 x9 : 0000000000000000
x8 : 0000000001120000 x7 : 0000000000000001 x6 : 0000000000000000
x5 : 0068000878e20f07 x4 : 0000000000000000 x3 : 00000000000003cd
x2 : ffff365ee3f6e000 x1 : 0000000000000000 x0 : 00000000000003cd
Call trace:
mutex_lock+0x18/0x60
hwmon_notify_event+0xfc/0x110
0xffffdde1cb7a0a90
0xffffdde1cb7a0b7c
irq_thread_fn+0x2c/0xa0
irq_thread+0x134/0x240
kthread+0x178/0x190
ret_from_fork+0x10/0x20
Code: d503201f d503201f d2800001 aa0103e4 (c8e47c02)
Jon Hunter reports that the exact call sequence is:
hwmon_notify_event()
--> hwmon_thermal_notify()
--> thermal_zone_device_update()
--> update_temperature()
--> mutex_lock()
The hwmon core needs to handle all errors returned from calls
to devm_thermal_zone_of_sensor_register(). If the call fails
with -ENODEV, report that the sensor was not attached to a
thermal zone but continue to register the hwmon device.
Reported-by: Jon Hunter <jonathanh@nvidia.com>
Cc: Dmitry Osipenko <digetx@gmail.com>
Fixes: 1597b374af ("hwmon: Add notification support")
Reviewed-by: Dmitry Osipenko <dmitry.osipenko@collabora.com>
Tested-by: Jon Hunter <jonathanh@nvidia.com>
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
2 small fixes and 1 hardware-id addition.
The following is an automated git shortlog grouped by driver:
asus-wmi:
- Fix regression when probing for fan curve control
int3472:
- Add terminator to gpiod_lookup_table
thinkpad_acpi:
- Add dual-fan quirk for T15g (2nd gen)
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Merge tag 'platform-drivers-x86-v5.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86
Pull x86 platform driver fixes from Hans de Goede:
"Two small fixes and one hardware-id addition"
* tag 'platform-drivers-x86-v5.17-3' of git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86:
platform/x86: int3472: Add terminator to gpiod_lookup_table
platform/x86: asus-wmi: Fix regression when probing for fan curve control
platform/x86: thinkpad_acpi: Add dual-fan quirk for T15g (2nd gen)
The functions copy_page_to_iter_pipe() and push_pipe() can both
allocate a new pipe_buffer, but the "flags" member initializer is
missing.
Fixes: 241699cd72 ("new iov_iter flavour: pipe-backed")
To: Alexander Viro <viro@zeniv.linux.org.uk>
To: linux-fsdevel@vger.kernel.org
To: linux-kernel@vger.kernel.org
Cc: stable@vger.kernel.org
Signed-off-by: Max Kellermann <max.kellermann@ionos.com>
Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Without the terminator, if a con_id is passed to gpio_find() that
does not exist in the lookup table the function will not stop looping
correctly, and eventually cause an oops.
Fixes: 19d8d6e36b ("platform/x86: int3472: Pass tps68470_regulator_platform_data to the tps68470-regulator MFD-cell")
Signed-off-by: Daniel Scally <djrscally@gmail.com>
Link: https://lore.kernel.org/r/20220216225304.53911-5-djrscally@gmail.com
Reviewed-by: Hans de Goede <hdegoede@redhat.com>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Commit c37495d625 ("slab: add __alloc_size attributes for better
bounds checking") added __alloc_size attributes to a bunch of kmalloc
function prototypes. Unfortunately the change to __kmalloc_track_caller
seems to cause clang to generate broken code and the first time this is
called when booting, the box will crash.
While the compiler problems are being reworked and attempted to be
solved [1], let's just drop the attribute to solve the issue now. Once
it is resolved it can be added back.
[1] https://github.com/ClangBuiltLinux/linux/issues/1599
Fixes: c37495d625 ("slab: add __alloc_size attributes for better bounds checking")
Cc: stable <stable@vger.kernel.org>
Cc: Kees Cook <keescook@chromium.org>
Cc: Daniel Micay <danielmicay@gmail.com>
Cc: Nick Desaulniers <ndesaulniers@google.com>
Cc: Christoph Lameter <cl@linux.com>
Cc: Pekka Enberg <penberg@kernel.org>
Cc: Joonsoo Kim <iamjoonsoo.kim@lge.com>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Vlastimil Babka <vbabka@suse.cz>
Cc: Nathan Chancellor <nathan@kernel.org>
Cc: linux-mm@kvack.org
Cc: linux-kernel@vger.kernel.org
Cc: llvm@lists.linux.dev
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Acked-by: Nick Desaulniers <ndesaulniers@google.com>
Acked-by: David Rientjes <rientjes@google.com>
Acked-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Vlastimil Babka <vbabka@suse.cz>
Link: https://lore.kernel.org/r/20220218131358.3032912-1-gregkh@linuxfoundation.org
- Handle poisoned pages properly in the SGX reclaimer code
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Merge tag 'x86_urgent_for_v5.17_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull x86 fixes from Borislav Petkov:
- Fix the ptrace regset xfpregs_set() callback to behave according to
the ABI
- Handle poisoned pages properly in the SGX reclaimer code
* tag 'x86_urgent_for_v5.17_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip:
x86/ptrace: Fix xfpregs_set()'s incorrect xmm clearing
x86/sgx: Fix missing poison handling in reclaimer
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Merge tag 'edac_urgent_for_v5.17_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras
Pull EDAC fix from Borislav Petkov:
"Fix a long-standing struct alignment bug in the EDAC struct allocation
code"
* tag 'edac_urgent_for_v5.17_rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/ras/ras:
EDAC: Fix calculation of returned address and next offset in edac_align_ptr()
Three fixes, all in drivers. The ufs and qedi fixes are minor; the
lpfc one is a bit bigger because it involves adding a heuristic to
detect and deal with common but not standards compliant behaviour.
Signed-off-by: James E.J. Bottomley <jejb@linux.ibm.com>
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Merge tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi
Pull SCSI fixes from James Bottomley:
"Three fixes, all in drivers.
The ufs and qedi fixes are minor; the lpfc one is a bit bigger because
it involves adding a heuristic to detect and deal with common but not
standards compliant behaviour"
* tag 'scsi-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/jejb/scsi:
scsi: ufs: core: Fix divide by zero in ufshcd_map_queues()
scsi: lpfc: Fix pt2pt NVMe PRLI reject LOGO loop
scsi: qedi: Fix ABBA deadlock in qedi_process_tmf_resp() and qedi_process_cmd_cleanup_resp()
Bunch of driver fixes for:
- ptdma error handling in init
- lock fix in at_hdmac
- error path and error num fix for sh dma
- pm balance fix for stm32
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Merge tag 'dmaengine-fix-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine
Pull dmaengine fixes from Vinod Koul:
"A bunch of driver fixes for:
- ptdma error handling in init
- lock fix in at_hdmac
- error path and error num fix for sh dma
- pm balance fix for stm32"
* tag 'dmaengine-fix-5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/vkoul/dmaengine:
dmaengine: shdma: Fix runtime PM imbalance on error
dmaengine: sh: rcar-dmac: Check for error num after dma_set_max_seg_size
dmaengine: stm32-dmamux: Fix PM disable depth imbalance in stm32_dmamux_probe
dmaengine: sh: rcar-dmac: Check for error num after setting mask
dmaengine: at_xdmac: Fix missing unlock in at_xdmac_tasklet()
dmaengine: ptdma: Fix the error handling path in pt_core_init()
Pull i2c fixes from Wolfram Sang:
"Some driver updates, a MAINTAINERS fix, and additions to COMPILE_TEST
(so we won't miss build problems again)"
* 'i2c/for-current' of git://git.kernel.org/pub/scm/linux/kernel/git/wsa/linux:
MAINTAINERS: remove duplicate entry for i2c-qcom-geni
i2c: brcmstb: fix support for DSL and CM variants
i2c: qup: allow COMPILE_TEST
i2c: imx: allow COMPILE_TEST
i2c: cadence: allow COMPILE_TEST
i2c: qcom-cci: don't put a device tree node before i2c_add_adapter()
i2c: qcom-cci: don't delete an unregistered adapter
i2c: bcm2835: Avoid clock stretching timeouts
Pull input fixes from Dmitry Torokhov:
- a fix for Synaptics touchpads in RMI4 mode failing to suspend/resume
properly because I2C client devices are now being suspended and
resumed asynchronously which changed the ordering
- a change to make sure we do not set right and middle buttons
capabilities on touchpads that are "buttonpads" (i.e. do not have
separate physical buttons)
- a change to zinitix touchscreen driver adding more compatible
strings/IDs
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/dtor/input:
Input: psmouse - set up dependency between PS/2 and SMBus companions
Input: zinitix - add new compatible strings
Input: clear BTN_RIGHT/MIDDLE on buttonpads
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Merge tag 'fs.mount_setattr.v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull mount_setattr test/doc fixes from Christian Brauner:
"This contains a fix for one of the selftests for the mount_setattr
syscall to create idmapped mounts, an entry for idmapped mounts for
maintainers, and missing kernel documentation for the helper we split
out some time ago to get and yield write access to a mount when
changing mount properties"
* tag 'fs.mount_setattr.v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
fs: add kernel doc for mnt_{hold,unhold}_writers()
MAINTAINERS: add entry for idmapped mounts
tests: fix idmapped mount_setattr test
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Merge tag 'pidfd.v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux
Pull pidfd fix from Christian Brauner:
"This fixes a problem reported by lockdep when installing a pidfd via
fd_install() with siglock and the tasklisk write lock held in
copy_process() when calling clone()/clone3() with CLONE_PIDFD.
Originally a pidfd was created prior to holding any of these locks but
this required a call to ksys_close(). So quite some time ago in
6fd2fe494b ("copy_process(): don't use ksys_close() on cleanups") we
switched to a get_unused_fd_flags() + fd_install() model.
As part of that we moved fd_install() as late as possible. This was
done for two main reasons. First, because we needed to ensure that we
call fd_install() past the point of no return as once that's called
the fd is live in the task's file table. Second, because we tried to
ensure that the fd is visible in /proc/<pid>/fd/<pidfd> right when the
task is visible.
This fix moves the fd_install() to an even later point which means
that a task will be visible in proc while the pidfd isn't yet under
/proc/<pid>/fd/<pidfd>.
While this is a user visible change it's very unlikely that this will
have any impact. Nobody should be relying on that and if they do we
need to come up with something better but again, it's doubtful this is
relevant"
* tag 'pidfd.v5.17-rc4' of git://git.kernel.org/pub/scm/linux/kernel/git/brauner/linux:
copy_process(): Move fd_install() out of sighand->siglock critical section
Pull ucounts fixes from Eric Biederman:
"Michal Koutný recently found some bugs in the enforcement of
RLIMIT_NPROC in the recent ucount rlimit implementation.
In this set of patches I have developed a very conservative approach
changing only what is necessary to fix the bugs that I can see
clearly. Cleanups and anything that is making the code more consistent
can follow after we have the code working as it has historically.
The problem is not so much inconsistencies (although those exist) but
that it is very difficult to figure out what the code should be doing
in the case of RLIMIT_NPROC.
All other rlimits are only enforced where the resource is acquired
(allocated). RLIMIT_NPROC by necessity needs to be enforced in an
additional location, and our current implementation stumbled it's way
into that implementation"
* 'ucount-rlimit-fixes-for-v5.17' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiederm/user-namespace:
ucounts: Handle wrapping in is_ucounts_overlimit
ucounts: Move RLIMIT_NPROC handling after set_user
ucounts: Base set_cred_ucounts changes on the real user
ucounts: Enforce RLIMIT_NPROC not RLIMIT_NPROC+1
rlimit: Fix RLIMIT_NPROC enforcement failure caused by capability calls in set_user
The sysfs does not like that we name the thermistor something
that contains a dash:
ntc-thermistor thermistor: hwmon: 'ssg1404-001221' is not a valid
name attribute, please fix
Fix it up by switching to an underscore.
Fixes: e13e979b2b ("hwmon: (ntc_thermistor) Add Samsung 1404-001221 NTC")
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Link: https://lore.kernel.org/r/20220205005804.123245-1-linus.walleij@linaro.org
Signed-off-by: Guenter Roeck <linux@roeck-us.net>
The driver is already covered in the ARM/QUALCOMM section. Also, Akash
Asthana's email bounces meanwhile and Mukesh Savaliya has never
responded to mails regarding this driver.
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Acked-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Signed-off-by: Wolfram Sang <wsa@kernel.org>
Where commit 4ef0c5c6b5 ("kernel/sched: Fix sched_fork() access an
invalid sched_task_group") fixed a fork race vs cgroup, it opened up a
race vs syscalls by not placing the task on the runqueue before it
gets exposed through the pidhash.
Commit 13765de814 ("sched/fair: Fix fault in reweight_entity") is
trying to fix a single instance of this, instead fix the whole class
of issues, effectively reverting this commit.
Fixes: 4ef0c5c6b5 ("kernel/sched: Fix sched_fork() access an invalid sched_task_group")
Reported-by: Linus Torvalds <torvalds@linux-foundation.org>
Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Tested-by: Tadeusz Struk <tadeusz.struk@linaro.org>
Tested-by: Zhang Qiao <zhangqiao22@huawei.com>
Tested-by: Dietmar Eggemann <dietmar.eggemann@arm.com>
Link: https://lkml.kernel.org/r/YgoeCbwj5mbCR0qA@hirez.programming.kicks-ass.net
- Other Fixes:
- Fix unnecessary changeattr revalidations
- Fix resolving symlinks during directory lookups
- Don't report writeback errors in nfs_getattr()
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Merge tag 'nfs-for-5.17-3' of git://git.linux-nfs.org/projects/anna/linux-nfs
Pull NFS client bugfixes from Anna Schumaker:
- Fix unnecessary changeattr revalidations
- Fix resolving symlinks during directory lookups
- Don't report writeback errors in nfs_getattr()
* tag 'nfs-for-5.17-3' of git://git.linux-nfs.org/projects/anna/linux-nfs:
NFS: Do not report writeback errors in nfs_getattr()
NFS: LOOKUP_DIRECTORY is also ok with symlinks
NFS: Remove an incorrect revalidation in nfs4_update_changeattr_locked()
- Change the log level of the "table not found" message in
acpi_table_parse_entries_array() to debug to prevent it from
showing up in the logs unnecessarily (Dan Williams).
- Add a C-state limit quirk for 32-bit ThinkPad T40 to prevent it
from crashing on boot after recent changes in the ACPI processor
driver (Woody Suwalski).
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Merge tag 'acpi-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
Pull ACPI fixes from Rafael Wysocki:
"These make an excess warning message go away and fix a recently
introduced boot failure on a vintage machine.
Specifics:
- Change the log level of the "table not found" message in
acpi_table_parse_entries_array() to debug to prevent it from
showing up in the logs unnecessarily (Dan Williams)
- Add a C-state limit quirk for 32-bit ThinkPad T40 to prevent it
from crashing on boot after recent changes in the ACPI processor
driver (Woody Suwalski)"
* tag 'acpi-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm:
ACPI: processor: idle: fix lockup regression on 32-bit ThinkPad T40
ACPI: tables: Quiet ACPI table not found warning
* A set of three fixes, all aimed at fixing some fallout from the recent
sparse hart ID support.
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Merge tag 'riscv-for-linus-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux
Pull RISC-V fixes from Palmer Dabbelt:
"A set of three fixes, all aimed at fixing some fallout from the recent
sparse hart ID support"
* tag 'riscv-for-linus-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/riscv/linux:
RISC-V: Fix IPI/RFENCE hmask on non-monotonic hartid ordering
RISC-V: Fix handling of empty cpu masks
RISC-V: Fix hartid mask handling for hartid 31 and up
When we switch from emulated PS/2 to native (RMI4 or Elan) protocols, we
create SMBus companion devices that are attached to I2C/SMBus controllers.
However, when suspending and resuming, we also need to make sure that we
take into account the PS/2 device they are associated with, so that PS/2
device is suspended after the companion and resumed before it, otherwise
companions will not work properly. Before I2C devices were marked for
asynchronous suspend/resume, this ordering happened naturally, but now we
need to enforce it by establishing device links, with PS/2 devices being
suppliers and SMBus companions being consumers.
Fixes: 172d931910 ("i2c: enable async suspend/resume on i2c client devices")
Reported-and-tested-by: Hugh Dickins <hughd@google.com>
Tested-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Link: https://lore.kernel.org/r/89456fcd-a113-4c82-4b10-a9bcaefac68f@google.com
Link: https://lore.kernel.org/r/YgwQN8ynO88CPMju@google.com
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
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Merge tag 'block-5.17-2022-02-17' of git://git.kernel.dk/linux-block
Pull block fixes from Jens Axboe:
- Surprise removal fix (Christoph)
- Ensure that pages are zeroed before submitted for userspace IO
(Haimin)
- Fix blk-wbt accounting issue with BFQ (Laibin)
- Use bsize for discard granularity in loop (Ming)
- Fix missing zone handling in blk_complete_request() (Pankaj)
* tag 'block-5.17-2022-02-17' of git://git.kernel.dk/linux-block:
block/wbt: fix negative inflight counter when remove scsi device
block: fix surprise removal for drivers calling blk_set_queue_dying
block-map: add __GFP_ZERO flag for alloc_page in function bio_copy_kern
block: loop:use kstatfs.f_bsize of backing file to set discard granularity
block: Add handling for zone append command in blk_complete_request
A collection of small patches, mostly for old and new regressions
and device-specific fixes.
- Regression fixes regarding ALSA core SG-buffer helpers
- Regression fix for Realtek HD-audio mutex deadlock
- Regression fix for USB-audio PM resume error
- More coverage of ASoC core control API notification fixes
- Old regression fixes for HD-audio probe mask
- Fixes for ASoC Realtek codec work handling
- Other device-specific quirks / fixes
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Merge tag 'sound-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound
Pull sound fixes from Takashi Iwai:
"A collection of small patches, mostly for old and new regressions and
device-specific fixes.
- Regression fixes regarding ALSA core SG-buffer helpers
- Regression fix for Realtek HD-audio mutex deadlock
- Regression fix for USB-audio PM resume error
- More coverage of ASoC core control API notification fixes
- Old regression fixes for HD-audio probe mask
- Fixes for ASoC Realtek codec work handling
- Other device-specific quirks / fixes"
* tag 'sound-5.17-rc5' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai/sound: (24 commits)
ASoC: intel: skylake: Set max DMA segment size
ASoC: SOF: hda: Set max DMA segment size
ALSA: hda: Set max DMA segment size
ALSA: hda/realtek: Fix deadlock by COEF mutex
ALSA: usb-audio: Don't abort resume upon errors
ALSA: hda: Fix missing codec probe on Shenker Dock 15
ALSA: hda: Fix regression on forced probe mask option
ALSA: hda/realtek: Add quirk for Legion Y9000X 2019
ALSA: usb-audio: revert to IMPLICIT_FB_FIXED_DEV for M-Audio FastTrack Ultra
ASoC: wm_adsp: Correct control read size when parsing compressed buffer
ASoC: qcom: Actually clear DMA interrupt register for HDMI
ALSA: memalloc: invalidate SG pages before sync
ALSA: memalloc: Fix dma_need_sync() checks
MAINTAINERS: update cros_ec_codec maintainers
ASoC: rt5682: do not block workqueue if card is unbound
ASoC: rt5668: do not block workqueue if card is unbound
ASoC: rt5682s: do not block workqueue if card is unbound
ASoC: tas2770: Insert post reset delay
ASoC: Revert "ASoC: mediatek: Check for error clk pointer"
ASoC: amd: acp: Set gpio_spkr_en to None for max speaker amplifer in machine driver
...
